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SSL Decryption
Traffic that has been encrypted using the protocols SSL and SSH can be decrypted to ensure that these protocols are being used for the intended purposes only, and not to conceal unwanted activity or malicious content.
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SSL Decryption

Traffic that has been encrypted using the protocols SSL and SSH can be decrypted to ensure that these protocols are being used for the intended purposes only, and not to conceal unwanted activity or malicious content.

Palo Alto Networks firewalls decrypt encrypted traffic by using keys to transform strings (passwords and shared secrets) from ciphertext to plaintext (decryption) and from plaintext back to ciphertext (re-encrypting traffic as it exits the device).

Discussions

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Author Topic Views Replies
A.Kuszaj
A.Kuszaj
07-18-2025

Problem with the DuckDNS certificate for the DDNS service.

Hi,I'm having an issue with Palo Alto and DDNS — specifically with DuckDNS. Everything had been working fine for the past two years, but for about a m... — Read more

posted in General Topics

65 1
I.Stevkovski
I.Stevkovski
07-16-2025

Microsoft WNS App ID

I work with a network scenario where we have two firewall towards the internet and the desktop PCs are behind PaloAlto as perimeter and Cisco as inter... — Read more

posted in Next-Generation Firewall Discussions

93 0
LeeFrancis2
LeeFrancis2
07-16-2025

CVE-2025-0133 threat 510003 and 510004 detection testing ?

PAN state that as workaround/mitigation - block attacks for this vulnerability by enabling Threat ID 510003 and 510004 ( content v 8995 and that "it ... — Read more

posted in GlobalProtect Discussions

71 0
Carracido
Carracido
07-16-2025

decryption error with Anydesk

Dear Community! I´m trying to use Anydesk and it only works with decryption policy disabled, somehow the predefined exclusion for Anydesk is not wor... — Read more

1 posted in General Topics

142 1
jsalmans
jsalmans
07-15-2025

IPv6 and TLS 1.3?

I've been having some IPv6 issues (we're a dual-stack setup currently), and it seems like every time I fix one, I find another. The latest is an iss... — Read more

posted in Next-Generation Firewall Discussions

133 0
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Blogs

DOTW: What Are Cipher Suites?

01-06-2022 — Find out what are cipher suites and which ones are supported for the different features on your device in this Discussion of the Week. Find out what are cipher suites and which ones are supported for the different features on your device in this D... — Read more

Labels: Administration Decryption How to SSL SSL Decryption tls
6613 3 by in Community Blogs

The Increasing Necessity for SSL Decryption

07-07-2021 — From performance abilities to new hardware, SSL Decryption capabilities have been greatly improved. — Read more

Labels: ngfw SSL Decryption
9478 6 by in Community Blogs

More on SSL Decryption

08-07-2020 — Read how SSL Decryption gives the ability to view inside of Secure HTTP traffic (SSL) as it passes through the Palo Alto Networks firewall. — Read more

Labels: NGFW Configuration PAN-OS SSL Decryption SSL Forward Proxy
23051 3 8 by in Community Blogs

HTTP/2 Inspection

07-09-2020 — Starting with PAN-OS 9.0.0, HTTP/2 inspection is supported on Palo Alto Networks firewalls. Learn more here! — Read more

Labels: Decryption HTTP NGFW Configuration PAN-OS PAN-OS 9.0 SSL Decryption
20759 2 9 by in Community Blogs

AddTrust External CA Root Expired

06-05-2020 — AddTrust External CA Root expired on 30th of May, 2020. Find out how this can impact your traffic and how to fix this! — Read more

Labels: certificate Decryption SSL Decryption
10049 2 2 by in Community Blogs

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Articles

Tips & Tricks: SSL Forward Proxy

05-22-2023 — In today's digital world, where encryption is all around us, SSL decryption becomes a real superhero in the fight against hidden threats and bolstering network security. Luckily, Palo Alto Networks Next-Generation Firewall comes to the rescue with... — Read more

Labels: network security Next-Generation Firewall SSL Decryption
8941 4 2 by in General Articles

Nominated Discussion: URL Filtering in TLS v1.3

02-28-2023 — — Read more

Labels: Advanced URL Filtering ngfw NGFW Configuration SSL SSL Decryption tls
7584 1 2 by in General Articles

Best Practices for SSL Decryption with Prisma Access

01-13-2022 — Understand how SSL Decryption with Prisma Access can increase your visibility into network traffic and reduce security threats — Read more

Labels: Best Practices prisma access SSL Decryption SSL Forward Proxy
10117 by in Prisma Access Webinars

SSL Decryption with Prisma Access

09-13-2021 — Gain visibility and control over network traffic through SSL Decryption with Prisma Access — Read more

Labels: prisma access SSL Decryption
6877 by in Prisma Access Webinars

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